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sinch-partnerships-ecosystems/sinch-skills

Official Sinch API skills for AI coding agents — SMS, Voice, Verification, Numbers, Mailgun email, and more.

71

Quality

88%

Does it follow best practices?

Impact

No eval scenarios have been run

SecuritybySnyk

Advisory

Suggest reviewing before use

This plugin was archived by the owner on Jun 4, 2026

Reason: we moved this to another workspace

Overview
Quality
Evals
Security
Files

Quality

Content

70%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This is a well-structured API provisioning skill with a strong workflow and good progressive disclosure to external documentation. Its main weakness is limited actionability — beyond one GET curl example, there are no concrete examples for the most common operations (creating webhooks, managing templates, sender registration). Some verbosity in the authentication and credentials sections could be trimmed.

Suggestions

Add 2-3 more executable curl examples for common operations (e.g., creating a webhook, registering a WhatsApp sender) to improve actionability beyond the single GET example.

Trim the authentication section — remove explanatory text like 'Ensure that authentication headers are properly set' and 'Store credentials in environment variables — never hardcode tokens' which Claude already knows; keep only the env var names and the auth header format.

DimensionReasoningScore

Conciseness

Generally efficient but has some unnecessary content: the authentication section explains things Claude already knows (e.g., 'Ensure that authentication headers are properly set'), the links section is very long and could be more compact, and some guidance like 'Store credentials in environment variables — never hardcode tokens' is standard practice Claude knows. However, the core workflow and gotchas sections are lean.

2 / 3

Actionability

Provides a canonical curl example and clear endpoint paths, but most operations lack concrete executable examples — e.g., creating a webhook, registering a sender, or managing templates have no curl/code examples. The workflow is procedural but largely descriptive rather than copy-paste ready for specific tasks.

2 / 3

Workflow Clarity

The 6-step agent workflow is clearly sequenced with explicit validation (step 4: verify async operations), error handling with retry strategy (step 5), and a feedback loop for failures using PAPI Error resolution fields. The OTP flow ordering and async completion gotchas add important checkpoints.

3 / 3

Progressive Disclosure

Well-structured with a clear overview, concise microservices table linking to external docs, and an explicit Links section for deeper reference. The skill deliberately states 'Use these pages instead of adding inline examples' — content is appropriately split with one-level-deep references and clear navigation via the table and links.

3 / 3

Total

10

/

12

Passed

Description

100%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

This is a strong skill description that clearly articulates specific capabilities across multiple messaging channels, provides explicit trigger guidance via a 'Use when' clause, and occupies a distinct niche. The description is well-structured, uses third person voice correctly, and balances conciseness with comprehensive detail.

DimensionReasoningScore

Specificity

Lists multiple specific concrete actions and resources: provisioning channel resources, managing WhatsApp accounts/senders/templates, RCS senders, KakaoTalk senders/templates, webhooks, and bundles. Very detailed enumeration of capabilities.

3 / 3

Completeness

Clearly answers both 'what' (provisions and manages channel resources for Conversation API projects with specific channel types) and 'when' (explicit 'Use when' clause listing onboarding channels, configuring webhooks, managing templates, orchestrating bundles, automating channel setup).

3 / 3

Trigger Term Quality

Includes strong natural keywords users would say: 'WhatsApp', 'RCS', 'KakaoTalk', 'webhooks', 'bundles', 'onboard channels', 'provisioning', 'templates', 'channel setup'. Good coverage of domain-specific terms users would naturally use.

3 / 3

Distinctiveness Conflict Risk

Highly distinctive with a clear niche around Conversation API channel provisioning. The specific mention of WhatsApp, RCS, KakaoTalk, and provisioning webhooks makes it very unlikely to conflict with other skills.

3 / 3

Total

12

/

12

Passed

Validation

90%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation10 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

metadata_field

'metadata' should map string keys to string values

Warning

Total

10

/

11

Passed

Reviewed

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